6. A solution contains 9.37x10-³ M lead acetate, Pb(C2H3O2)2, and 8.80×10-³ M barium nitrate, Ba(NO3)2. Solid potassium fluoride, KF, is added slowly to this mixture. What are the formula of the possible precipitates? Which one will precipitate first?

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6. A solution contains 9.37×10-³ M lead acetate, Pb(C2H3O2)2, and 8.80×10-³ M barium nitrate,
Ba(NO3)2.
Solid potassium fluoride, KF, is added slowly to this mixture.
What are the formula of the possible precipitates? Which one will precipitate first?
Transcribed Image Text:6. A solution contains 9.37×10-³ M lead acetate, Pb(C2H3O2)2, and 8.80×10-³ M barium nitrate, Ba(NO3)2. Solid potassium fluoride, KF, is added slowly to this mixture. What are the formula of the possible precipitates? Which one will precipitate first?
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In a solution containing different ions, when two cations form slightly soluble compounds with the same anion, the less soluble compound (usually, the compound with the smaller Ksp )  generally precipitates first when we add a precipitating agent to it. 

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